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Phlebodium aureum (L.) J. Sm.
GOLDEN POLYPODY
Polypodium aureum

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Phlebodium aureum
© Copyright Bobby Hattaway 2011 · 5
Phlebodium aureum

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Phlebodium aureum
© Copyright Bobby Hattaway 2011 · 5
Phlebodium aureum
Phlebodium aureum
© Copyright Bobby Hattaway 2011 · 5
Phlebodium aureum
Phlebodium aureum
© Copyright Bobby Hattaway 2011 · 5
Phlebodium aureum

Phlebodium aureum
© Copyright Bobby Hattaway 2011 · 5
Phlebodium aureum
Phlebodium aureum, entire
© George Yatskievych, 2006-2011 · 1
Phlebodium aureum, entire
Phlebodium aureum, frond
© George Yatskievych, 2006-2011 · 1
Phlebodium aureum, frond

Phlebodium aureum, pinnae
© George Yatskievych, 2006-2011 · 1
Phlebodium aureum, pinnae
Phlebodium aureum, rhizome
© George Yatskievych, 2006-2011 · 1
Phlebodium aureum, rhizome
Phlebodium aureum, sporangia
© George Yatskievych, 2006-2011 · 1
Phlebodium aureum, sporangia

Phlebodium aureum, entire
© George Yatskievych, 2006-2011 · 1
Phlebodium aureum, entire
Phlebodium aureum, fertile pinnule
© George Yatskievych, 2006-2011 · 1
Phlebodium aureum, fertile pinnule
Phlebodium aureum, pinnae
© George Yatskievych, 2006-2011 · 1
Phlebodium aureum, pinnae
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FNA | Family List | FNA Vol. 2 | Polypodiaceae | Phlebodium

1. Phlebodium aureum (Linnaeus) J. Smith, J. Bot. (Hooker). 4: 59. 1841.

Goldfoot fern, golden polypody

Polypodium aureum Linnaeus, Sp. Pl. 2: 1087. 1753

Stems creeping, ca. 8--15(--30) mm diam., densely scaly; scales reddish to golden, long-attenuate, 10--20 mm. Leaves bright green or glaucous, arching to pendent, scattered, 3--13 dm. Petiole 1.5--5 dm, smooth, with a few scales near base. Blade pinnately and deeply lobed, 3--8 × 1--5 dm, glabrous, terminal segment conform. Segments lanceolate to elliptic, or linear-lanceolate to linear, 6--20 × 1--4 cm, margins entire or sometimes undulate. Sori in 1 line on each side of costae, occasionally 2d row present, sori terminal or at junction of free included veinlets. 2 n = 148.

Epiphytic on a variety of trees or on logs, dense piles of humus, but most commonly among old leaf bases of Sabal palmetto Loddiges, in various habitats from hammocks to swamps; 0 m; Fla., Ga.; Mexico; West Indies; Central America; South America.

Phlebodium aureum occurs north to Dixie and Nassau counties in Florida, and it is disjunct in Franklin County. It is also found in Georgia (W. H. Duncan 1954; L. H. Snyder Jr. and J. G. Bruce 1986). Two varieties (or subspecies) have been recognized, Phlebodium aureum var. aureum and P . aureum var. areolatum (Humboldt & Bonpland ex Willdenow) Farwell. The latter is now often elevated to species rank and given the name P . pseudoaureum (Cavanilles) Lellinger. Phlebodium pseudoaureum is widespread in Central America and South America (D. B. Lellinger 1987) and has been reported as rare in Florida by G. R. Proctor (1985). I have not seen specimens that could be convincingly referred to P . pseudoaureum .

Phlebodium aureum , a tetraploid species, is believed to have arisen through allopolyploidy following hybridization between P . pseudoaureum and P . decumanum (Willdenow) J. Smith, a widespread species in tropical America.

Updated: 2018-10-23 06:18:58 gmt
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